/* 头部区 */
header {
	min-width: 1200px;
	width: 100vw;
	height: 500px;
	box-sizing: border-box;
}
/* ------分割线------ */
/* 注释:头部导航部分 */
/* 头部主体 */
.header {
	width: 100vw;
	height: 45px;
}
.header-nav {
	background-color: #1d1d1d;
	z-index: 9;
	left: 0;
	top: 0;
	width: 100vw;
	height: 45px;
	border-bottom: 1px solid #fff;
}
/* 头部主体广告 */
.nav-banner {
	width: 165px;
	height: 25px;
	margin-left: 35px;
	background: url(../imgs/new-logo-white.png) no-repeat;
}
/* 头部中网页跳转 */
.nav-a {
	width: 370px;
	height: 15px;
	line-height: 15px;
	display: flex;
	justify-content: space-around;
}
.nav-a > span.active {
	height: 28px;
	border-bottom: 2px solid #fff;
}
.nav-a > span a {
	color: #fff;
}

/* 头部注册登录部分 */
.nav-btn {
	display: flex;
	width: 165px;
	height: 20px;
	margin-right: 35px;
}
.nav-btn > span {
	display: block;
	width: 80px;
	height: 20px;
	border: 1px solid #fff;
	border-radius: 35%;
	margin: 0px 10px;
}

.nav-btn > span a {
	display: block;
	line-height: 20px;
	font-size: 12px;
	color: #fff;
}
/* -----------分割线------- */
/* 粒子区 */
.banner {
	background-color: #1d1d1d;
	width: 100%;
	height: 450px;
	z-index: 0;
}
#bannerBg {
	z-index: 2;
	width: 100%;
	height: 450px;
	top: 0;
	left: 0;
}

/* 分割线 */
/* ----------主体部分----------- */
main {
	box-sizing: border-box;
	padding-top: 150px;
	width: 100%;
	background-color: #f8f8f8;
}
/* 主体渲染 */
#mainBanner {
	top: -350px;
	left: 0px;
	width: 1200px;
   height: 290px;
	z-index: 20;
}
.mainBox{
	opacity: 0;
}
.mainBox {
	display: flex;
}
.mainBannerLt {
	box-sizing: border-box;
	padding: 20px 20px;
	width: 43%;
	background-color: #fff;
}
/* 简介  */
.brief > p:nth-child(2) {
	margin: 10px 0;
	line-height: 25px;
}
.brief > p:last-child {
	text-align: right;
}
.brief > p:last-child::after {
	content: "";
	position: absolute;
	right: 120px;
	top: 6px;
	width: 30px;
	height: 3px;
	background-color: #00bdff;
}
/* 主体图 */
.boxtu > img {
	max-width: 1200px;
	height: 690px;
}

/* 页脚 */

.experience {
	box-sizing: border-box;
	height: 400px;
	background: #00bdff url("../imgs/login-register-bg.svg") top center;
}

.experience-box {
	padding: 100px 0px 0px 0px;
	color: #fff;
}
.experience-box > span {
	display: block;
	border: 1px solid white;
	color: #fff;
	width: 150px;
	height: 18px;
	margin: 45px auto;
}
.contact-List > ul li {
	display: block;
	height: 30px;
	width: 140px;
	font-size: 12px;
}
.contact-List > ul li > strong {
	position: relative;
	top: -10px;
}
.vx > li {
	text-align: right;
	margin: 30px 0px;
}
